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HW Answers: P253‐255 # 13‐24, 30, 31, 38‐44  

HW Answers: P253‐255 # 13‐24, 30, 31, 38‐44  . Day 28 cont. Section 4-3. If x is the independent variable and y is the dependent variable, then function notation for y is f ( x ), read “ f of x, ” where f names the function. y is a function of x So y = f(x).

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HW Answers: P253‐255 # 13‐24, 30, 31, 38‐44  

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  1. HW Answers:P253‐255 #13‐24, 30, 31, 38‐44  

  2. Day 28 cont. Section 4-3

  3. If x is the independent variable and y is the dependent variable, then function notation for y is f(x), read “f of x,” where f names the function. • y is a function of x • So y = f(x)

  4. You can think of a function as an input-output machine. For f(x) = 5x. The input is what you put in for x and the output is 5 times that x value. input x 2 6 function f(x)=5x 5x 10 30 output

  5. Evaluate the function at the given x values f(x) = 8x + 2 when x = 0 and x = -2

  6. HW: 4-3 WS

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